Viewsonic PJ800 Blue Shadows

Just got a Viewsonic PJ800 Projector (used and repaired) and it was working fine the first night, but the second night a blue bar appeared on the right hand side of the screen. The blue then turned into a shadow type figure on the text and some of the black images appear blue in spots.

The bulb has about 900 hours on it, so it should be fine for a while yet.

I dont know what is causing this problem, but if anyone has a solution, it would be appreciated.

6 Suggested Answers

Hi,
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your gonna need to get a service manual from the manufacturer and do a convergence alighnment with the on board generator. Unless some unknowing hands have been inside the unit.?? Contact them here at this link Good Luck service.us@viewsonic.com

My solution sounds dumb, I had the same issue. Took the lamp cover off the bottom. The screws were loose holding in the lamp. Maybe they heat and expand and eventually work their way out and the lamp doesn't make good contact. Just tightened mine up, the unit would power off after 45 minutes prior. Been on now for 5 hours, no trouble.

Yes please.
You can connect it either thru the RCA Composite output(yellow) of your DVD or thru the S-Video or even thru the component out(YPbPR) connections. In the component out you would require three RCA cables and would give you the best possible picture.
Find a link below , which gives a review of the Viewsonic PJ 501.

2 issues- the light filter on one of the lcd panels is burnt due to excessive dust and heat. and one of the lcd panels is shot. time to replace the entire optical engine, unless you can get the prism assembly. otherwise, replace the projector. if you do, remember to keep it clean.

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The image is made up of three polarisers, one tends to fail causing a problem with the image. On average it may cost £300 per polariser to be fixed. As you know these days you can get a projector for that price as everyone now wants HD and 3D. I recently bought 7x NEC NP115 for just over £200 each. Very good spec, auto power up (Which was important for what I needed)

you might need to turn off your computer .
then connect the data projector
and turn on data projector
then turn on computer
hopefully it detects the data projector is connected and switches windows to duplicate projection
On my P.C. F4 key in windows Switches the display manually to duplicate, alternate screen or pc screen only or projector screen only.
As I am not familiar with Apple this support article below might explain the switching of display outputs available on Apple Mac.
https://support.apple.com/en-au/HT202351

I had the same problem with a few pj800's that I have worked on. It turns out that with old age and constant hot and cold temperature exposure the pixels in lcd panels will become shorted or actually die out. When current is applied there is no pixel activity therefore causing distorted images and lines that appear to drop out or down in the picture. Replacement of all 3 lcd assemblies is needed to correct problem. And being such an old projector the price of the parts would exceed the cost of a new bulb. I reccomend trying to find a used one for parts working or not 99% of the time the lcds are usually fine. Or check out ebay for some used projectors you can find up to date used ones with three times better picture quality than the pj800 for under $300.00 shipped. Good luck!